ITEM NAME:5 Psc/Lot Plastic Abacus Arithmetic Abacus Kids Calculation Tool 17 Digits S8J5 5 Psc/Lot Plastic Abacus Arithmetic Abacus Kids Calculation Tool 17 Digits S8J5 Abacus style abacus, plastic frame, 17 digits A bead above and four beads below Give concrete visual representation of numbers by beads A very useful tool in general mathematics education The abacus, also called a counting frame, is a calculating tool where beads are moved down and be carried out by the feel and look at the beads, complex calculations. Size: 24.5cm * 6.3cm * 1.5cm Color: black + brown material: plastic Package: 5 x Abacus.A bead above and four beads below. material: plastic.
